The benzyl alcohol suppresses bacterial growth inside the multi-dose vial after the seal has been punctured
For background on how to interpret peptide research literature, see our peptide glossary, which defines terms such as EC50, receptor affinity, and bioavailability
However, higher doses increase cost without established evidence of proportionally increased benefit
doi:10.1016/j.pmr.2019.07.003 21 Bhan K, Singh B
The price also depends on the type of peptide prescribed, the dosage, how often it is taken, and whether it comes as injections, capsules, or creams
The body can only retain so much